function onEdit(e) {
  
  var idCol = e.range.getColumn();
    
  if ( idCol == 1 ){
    updateHist(e.range);
  }
}
  
function updateHist(rngInput) {
    
  //var rngInput = SpreadsheetApp.getActive().getActiveCell();
  var valInput = rngInput.getValue();
    
  var rngHist  = rngInput.offset(0, 1);
  var valHist  = rngHist.getValue();
    
  if (isDate(valInput)) {
    valAddHist = Utilities.formatDate(valInput, "GMT+3", "dd.MM.yyyy HH:mm:ss");
  } else {
    valAddHist = valInput;
  }
    
  rngHist.setValue(valHist + " {" + valAddHist + "}");
}
  
// (c) 'https://productforums.google.com/forum/#!topic/docs/lZYtngHrpgU
function isDate(v) {
    
  if (Object.prototype.toString.call(v) === "[object Date]") {
    if (isNaN(v.getTime())) {
      return false;
    } else {
      return true;
    }
  } else {
    return false;
  }
}

function updateHist(range) {
  
  var rngInput = range.offset(0, 0, range.getNumRows(), 1);  
  var valInput = rngInput.getValues();
  
  var rngHist  = rngInput.offset(0, 1);
  var valHist  = rngHist.getValues();
  
  for (var row in valInput) {
    if (isDate(valInput[row][0])) {
      var valAddHist = Utilities.formatDate(valInput[row][0], "GMT+3", "dd.MM.yyyy HH:mm:ss");
    } else {
      var valAddHist = valInput[row][0];
    }
    valHist[row][0] += " {" + valAddHist + "}";
  }
  
  rngHist.setValues(valHist);
}